- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/06 - Rotor flux based control involving the use of rotor position or rotor speed sensors
Patent holdings for IPC class H02P 21/06
Total number of patents in this class: 302
10-year publication summary
|
18
|
24
|
33
|
28
|
28
|
16
|
18
|
15
|
16
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24431 |
18 |
| Mitsubishi Electric Corporation | 46397 |
16 |
| Robert Bosch GmbH | 42813 |
12 |
| NSK Ltd. | 2791 |
11 |
| Nissan Motor Co., Ltd. | 12523 |
10 |
| Clearmotion, Inc. | 173 |
6 |
| Hitachi Astemo, Ltd. | 6386 |
6 |
| Rockwell Automation Technologies, Inc. | 2730 |
5 |
| Nidec Corporation | 2670 |
5 |
| Tau Motors, Inc. | 64 |
5 |
| Toshiba Corporation | 12472 |
4 |
| Hitachi, Ltd. | 15556 |
4 |
| Infineon Technologies AG | 8250 |
4 |
| Hyundai Motor Company | 22257 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
4 |
| Daikin Industries, Ltd. | 10070 |
4 |
| Omron Corporation | 7297 |
4 |
| Lsis Co., Ltd. | 816 |
4 |
| RENAULT s.a.s. | 5481 |
4 |
| Danfoss Drives A/S | 34 |
4 |
| Other owners | 168 |